Texas Instruments TMS320C6202 Manuel d'utilisateur télécharger pdf (Page 69)

TMS320C6202

FIXED-POINT DIGITAL SIGNAL PROCESSOR

SPRS072B – AUGUST 1998 – REVISED AUGUST 1999

POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443

DMAC, TIMER, POWER-DOWN TIMING

switching characteristics for DMAC outputs

†

(see Figure 46)

NO. PARAMETER

’C6202-200

’C6202-233

’C6202-250

UNIT

MIN MAX

1 t

w(DMACH)

Pulse duration, DMAC high 2P–3 ns

†

P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

DMAC[3:0]

Figure 46. DMAC Timing

timing requirements for timer inputs

†

(see Figure 47)

NO.

’C6202-200

’C6202-233

’C6202-250

UNIT

MIN MAX

1 t

w(TINPH)

Pulse duration, TINP high 2P ns

2 t

w(TINPL)

Pulse duration, TINP low 2P ns

†

P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

switching characteristics for timer outputs

†

(see Figure 47)

NO. PARAMETER

’C6202-200

’C6202-233

’C6202-250

UNIT

MIN MAX

3 t

w(TOUTH)

Pulse duration, TOUT high 2P–3 ns

4 t

w(TOUTL)

Pulse duration, TOUT low 2P–3 ns

†

P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

TINPx

TOUTx

Figure 47. Timer Timing

ADVANCE INFORMATION

1 2 ... 64 65 66 67 68 69 70 71 72 73 74

ADVANCE INFORMATION 1

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Texas Instruments TMS320C6202 Manuel d'utilisateur Page 69

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